But there are really just the two speeds with the current programming. Inside the cool laser-cut box is an Arduino Uno and a 9V battery, plus a current-limiting resistor and the all-important buzzer.

Arduino project, buzzer trouble. mogbert Jul 14, 2014 Jump to latest Follow Reply ...

Others have created Arduino-based handheld gaming consoles in the past, but doing so involved a lot more hardware hacking than you’ll have to do with the Esplora pre-configuration, which comes ...

All the info you need right here ✦ In this occasion I'll make a lighting system to be controlled remotely from my rc using ...

The Arduino then controls the state of the LED using the active high enable line from the column multiplexer chip. [Alex] wanted more than just a static image to show off on his new display, so he ...

Our schematic consists on 3 elements which are: Photoresistor (LDR), Piezo Buzzer, 1 – 10 kΩ. The LDR can be connected any way you want because doesn’t have polarity. For resistance you can use from 1 ...

Recently, we published an entry-level Arduino project with a single seven-segment LED display. Although it’s an amazing DIY project, we noted that most of the readers are looking for more advanced ...